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What is the study if examining similar structures in embryos of different organisms?
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How can a taxonomist might use embryological evidence in classifying an organism?
Related species have similar embryos.
Why do embryos of different animals look similar?
Depending on what animal because animals are very different from one another, but that would mean you are considering humans not animals.
Why are embryos from different animals so alike?
similar chromosomes make them up.
How are embryos made?
An embryos is made when the fertilised egg cell divides in form a ball of cell which is an embryo.
Who discovered cellular totipotency?
Totipotency was first discovered by German scientist Hans Spemann in the early 20th century. Spemann demonstrated that individual cells from early embryos of salamanders were capable of developing into complete organisms when transplanted into other embryos. This discovery laid the foundation for our understanding of cellular totipotency in embryonic development.
How does comparing the embryos of different organisms support the theory of evolution?
The stages of development of the embryos of certain organisms are extremely similar, a fact that suggests the organisms had common ancestors.
How embryos help identify a common ancestor of different organisms?
we compared their bone.
Do all organisms start out as embryos?
No, not all organisms start out as embryos. Embryos are typically seen in higher animals that undergo sexual reproduction, where a fertilized egg develops into an organism. Organisms like bacteria and protists reproduce asexually and do not have an embryonic stage in their life cycle.
The same kinds of cells that grow in similar patterns in different but related organisms produce?
The same kind of embryos
Do embryos of many different vertebrates look much more similar than the adult organisms?
yes
What do all vertebrate organisms have in common when they are embryos?
pouches
Why does comparative embryology show similarities between organisms that do not appear to be similar as adults?
Comparative embryology is the study of the similarities and differences in the embryos of different species. Similarities in embryos are evidence of common ancestry. All vertebrate embryos, for example, have gill slits and tails. All of the animals except for fish, lose their gills slits by adulthood. Some of them also lose their tail. In humans, the tail is reduced to the tail bone. Thus, similarities organisms share as embryos may be gone by adulthood. This is why it is valuable to compare organisms in the embryonic stage
What does similar structures in embryos mean?
the species come from a common ancestor
What is found in all chordates and provides support in embryos and in some adult organisms?
Notochord
What is the process of looking at the embryos at different stages of development is known as?
The study of embryos is called embryology.
Why do we get an organism?
We get organisms because eggs and sperm unite to form embryos, usually. Although some organisms form from spores or cell division.
Do early chick and pig embryos have a similar structure and appearance?
The early embryos of all animals have a very similar appearance. This is no different for chicken and pig embryos.
